Pith Number

pith:SFJD7PBC

pith:2019:SFJD7PBCEUR4DBVBLDDKKMQNSG

not attested not anchored not stored refs pending

U-net super-neural segmentation and similarity calculation to realize vegetation change assessment in satellite imagery

Bobo Ju, Chunxue Wu, Guisong Yang, Hongming Yang, Jiaying Huang, Naixue Xiong, Yan Wu, Zhiyong Xu

arxiv:1909.04410 v1 · 2019-09-10 · eess.IV · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFJD7PBCEUR4DBVBLDDKKMQNSG}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:03:21.953428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91523fbc222523c186a158c6a5320d9199e19f0407d5ed1fa8e03904eb589ce4

Aliases

arxiv: 1909.04410 · arxiv_version: 1909.04410v1 · doi: 10.48550/arxiv.1909.04410 · pith_short_12: SFJD7PBCEUR4 · pith_short_16: SFJD7PBCEUR4DBVB · pith_short_8: SFJD7PBC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SFJD7PBCEUR4DBVBLDDKKMQNSG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 91523fbc222523c186a158c6a5320d9199e19f0407d5ed1fa8e03904eb589ce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "010f7725946965597ec15fc59399c4c2b7679099e2f5fdc5a6ac5f1c17ed750f",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-09-10T11:13:55Z",
    "title_canon_sha256": "90100fd90c05916227b6a7f75625535c1354b1758143403f4b24eb0770a1f341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04410",
    "kind": "arxiv",
    "version": 1
  }
}